Loonz806

1. The Ternary Operator

if / else replacement

Longhand:

const x = 20;
let answer;

if (x > 10) {
    answer = "greater than 10";

Loonz806

P.R.E.P. Method

Point of view

share your perspective and keep it short and sweet, two sentences at most

Reason

justify your view, One or two bullets but not more than three or you lose your audience

Example, Evidence, or Experience

Show an example, personal experience or evidence to support your reasoning

Loonz806

STARL Method

Situation

background context on the situation

• Tell me about the situation.
• Who was involved?
• How did everyone get here?
• What was your role at the time?

Loonz806

import { useState, useEffect } from "react";
const CACHE = {};

export default function useStaleRefresh(url, defaultValue = []) {
  const [data, setData] = useState(defaultValue);
  const [isLoading, setLoading] = useState(true);

  useEffect(() => {
    // cacheID is how a cache is identified against a unique request
    const cacheID = url;

Loonz806

// iPad model checks.
const getiPadModel = () => {
  if (window.screen.height / window.screen.width == 1024 / 768) {
    // iPad, iPad 2, iPad Mini
    if (window.devicePixelRatio == 1) {
      return "iPad 1, iPad 2, iPad Mini 1";
    }
    // iPad 3, 4, 5, Mini 2, Mini 3, Mini 4, Air, Air 2, Pro 9.7
    else {
      return "iPad 3, iPad 4, iPad 5, iPad Air 1, iPad Air 2, iPad Mini 2, iPad Mini 3, iPad Mini 4, iPad Pro 9.7";

Loonz806

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

Loonz806

let subscribers = {};
module.exports = {
    // method to publish an update
    publish(event, data) {
        if (!subscribers[event]) return;
        subscribers[event].forEach(subscriberCallback =>
            subscriberCallback(data));
    },
    // method to subscribe an update
    subscribe(event, callback) {

Loonz806

let fs = window.RequestFileSystem || window.webkitRequestFileSystem;
if (!fs) {
  console.log("check failed?");
} else {
  fs(window.TEMPORARY,
     100,
     console.log.bind(console, "not in incognito mode"),
     console.log.bind(console, "incognito mode"));
}

Loonz806

function deferStartTillUserAction(cb) {
    var locked = true;
    var didClick = false;
    var didScroll = false;

    function unlock() {
        if (locked) {
            locked = false;
            cb();
        }

Loonz806

let regex;

/* matching a specific string */
regex = /hello/; // looks for the string between the forward slashes (case-sensitive)... matches "hello", "hello123", "123hello123", "123hello"; doesn't match for "hell0", "Hello" 
regex = /hello/i; // looks for the string between the forward slashes (case-insensitive)... matches "hello", "HelLo", "123HelLO"
regex = /hello/g; // looks for multiple occurrences of string between the forward slashes...

/* wildcards */
regex = /h.llo/; // the "." matches any one character other than a new line character... matches "hello", "hallo" but not "h\nllo"
regex = /h.*llo/; // the "*" matches any character(s) zero or more times... matches "hello", "heeeeeello", "hllo", "hwarwareallo"